Patents
Patents for F04D 25 - Pumping installations or systems specially adapted for elastic fluids (17,127)
09/1993
09/14/1993US5245236 Industrial heat dissipating electric fan
09/14/1993US5244352 Multi-stage vacuum pump installation
09/08/1993CN1022059C Oscillation angle adjuster for electric fan
09/07/1993US5242013 Mounting for a motorized fan unit on a cooling radiator for a motor vehicle
09/01/1993CN2141475Y Rotation plate type swing blade electric fan
09/01/1993CN2141474Y Composite low-noise fan
08/1993
08/31/1993US5240371 Multiple disc fan with rotatable casing
08/25/1993CN2140987Y 应急电风扇 Emergency fan
08/24/1993US5238362 Turbomolecular pump
08/18/1993EP0555948A1 Transmission and centrifugal compressor
08/18/1993CN2140439Y Dual-purpose blasting and ventilating bellows
08/17/1993US5236306 Axial blower for cooling the condenser of an air conditioner
08/17/1993US5236305 High speed hydraulic turbine drive
08/11/1993EP0554600A1 Balloon inflator
08/10/1993US5233946 Engine-driven blower unit
08/10/1993CA1321060C Oscillating fan heater construction
08/04/1993EP0553387A1 Ventilator
08/04/1993EP0387283B1 Portable blower
08/04/1993CN2139636Y Multipurpose console electric fan
08/03/1993USRE34334 Convertible fan assembly
08/03/1993US5232347 Fan mounting bracket apparatus
08/03/1993CA1320935C Combination window fan and floor fan
07/1993
07/27/1993US5230606 Electric fan with hot air/cold air dual-mode control
07/22/1993WO1993014362A1 Dual fan cooling system
07/22/1993DE4220669C1 Radial fan esp. for air conditioning and ventilation inside vehicles - has electric motor driving fan impeller with both housed in volute casing having axial suction opening and pressure volute ending in tangential air outlet opening.
07/14/1993CN2138205Y Electric fan with decorative light
07/14/1993CN1074278A Omnidirectional angle regulator for oscillating mechanism of fan
07/14/1993CN1074277A Method for giving-out fragrance from household fan
07/13/1993CA1320184C Portable electric blower with intake shield
07/07/1993EP0549579A1 Rotary pump
07/07/1993CN2137732Y Joint for desk fan
07/07/1993CN1074020A Ceiling fan with mechanical drive
07/06/1993US5224844 Frame independent electric blower housing
07/06/1993US5224842 Air cycle machine with interstage venting
07/06/1993US5224830 Holographically-decorated ceiling fan
07/06/1993US5224459 Supercharger
06/1993
06/30/1993CN2137301Y Miniature table fan
06/30/1993CN2137300Y Powerless fan
06/29/1993US5222864 Ceiling fan
06/24/1993DE4142361A1 Viscous clutch for cooling fan in IC engine - has bleed hole on periphery of reservoir to provide controlled fluid flow to start fan operation
06/23/1993CN2136891Y Double-blade, full-computer globular shape electric fan
06/23/1993CN2136890Y Fan
06/16/1993EP0546689A1 Fuel vapor recovery system
06/16/1993CN2136351Y Multifunctional ac or dc fan
06/16/1993CN2136350Y Full automatic folding ceiling fan
06/16/1993CN1073240A Axial flow fan
06/15/1993US5218822 Air start/assist for turbochargers
06/09/1993EP0545003A2 Support for an electric motor
06/09/1993CN2135676Y Cooling device of electric fan
06/09/1993CN2135675Y 圆形风扇 Circular fan
06/08/1993US5217417 Device for controlling the sweeping-angle of a fan
06/08/1993US5217353 Fan, particularly for motor vehicles
06/08/1993US5217351 Small fan
06/08/1993US5217051 Fuel vapor recovery system
06/03/1993DE4139646A1 Dust collection unit e.g. for belt moved by motor driven pulley - has ventilation unit driven by same motor as that driving belt, and fan of ventilation unit coupled by shaft coupling to pulley driving belt
06/03/1993CA2084008A1 Portable fan with electrical control retaining stand
06/02/1993CN2135076Y Oriving device for guide screen of electric fan
05/1993
05/27/1993DE4210325A1 Ventilator fan unit with moving light effect - has blade system combined with rotating fluorescent lighting effect in suspended unit
05/26/1993EP0543368A1 Ceiling fan
05/26/1993CN2134515Y Mosquito-killing fan
05/19/1993CN2133699Y Swing electric fan
05/19/1993CN2133698Y Electronic auto-controlled energy-saving one-way blowing machine
05/19/1993CN2133697Y Wind fan with double-speed, double electrical machine
05/19/1993CN2133696Y Radiator fan for industry
05/19/1993CN2133695Y Portable miniature fan
05/12/1993EP0540581A1 Electric drive water pump.
05/12/1993CN1072000A Domestic electric fan
05/11/1993US5209639 Radial fan with an axial housing
05/05/1993CN2132007Y Multifunction rotating vane type electric fan
04/1993
04/29/1993DE4232851A1 Small flat blower with two aprt casing
04/28/1993EP0538627A1 Blower
04/28/1993CN2130946Y Household scavenger fan
04/28/1993CN2130945Y Stepless oscillating apparatus for table fan
04/28/1993CN2130944Y Ceiling lamp fan
04/28/1993CN2130943Y Changeable blade electric fan
04/28/1993CN2130942Y Electric fan for expelling mosquitoes
04/28/1993CN1071492A Domestic centrifugal electric fan
04/22/1993DE4232850A1 Low-profile brushless DC motor esp. for fan - has magnetic field confined within housing by selection of ratio of pole width to axial length
04/21/1993CN2130216Y Air duct mosquito-killing electric fan
04/21/1993CN2130215Y Magnetic automatic fan
04/21/1993CN1071231A Ball-type omnidirectional electrical fan
04/15/1993DE4233941A1 Cooling fan for vehicle air-conditioning unit - includes porous element providing combined deodorising and sound damping function
04/14/1993EP0536132A1 Room ventilator.
04/14/1993CN2129838Y Multifunction automatic monitoring air exchanging fan
04/14/1993CN2129837Y Laser adjustable electric fan
04/14/1993CN2129836Y Cold air exhausting fan
04/08/1993DE4230420A1 Electrically driven cooling fan for vehicle I.C. engine - has rotor of electric drive motor provided by fan wheel with rotor poles as end of fan blades
04/08/1993DE4131713A1 Booster compressor for turbo-fan engine with high by-pass ratio - is formed as precompressor stage, of core compressor, and connected to it
04/06/1993US5199847 Balloon inflator with involute chamber and bypass nozzle
04/06/1993US5199539 Fluid coupling having a vane pump system
03/1993
03/31/1993CA2078761A1 Sheet metal motor mount
03/30/1993US5197854 Axial flow fan
03/24/1993CN2128675Y Fan for expelling mosquito
03/23/1993US5195928 Centrifugal actuating device for pushing or pulling an element to be operated
03/23/1993US5195870 Ceiling fan having lighting fixture
03/23/1993US5195208 Backpack power blower apparatus
03/18/1993WO1993005299A1 Axial flow fan
03/18/1993WO1993005297A1 A hat-mounted fan
03/18/1993DE4130519A1 Miniature fan with electronically commutated drive motor - has spring elements preventing transmission of noise between stator and surrounding support frame.
03/17/1993CN2128319Y High-precision moisture-preventing motor